Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 389

1NPXL40X6FD256101 · Truck · INCOMPLETE VEHICLE
Carriers run under2
24 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 28, 2023
PA
Last seenJun 27, 2025
PA
Inspected under 2 different carriers in 24 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXL40X6FD256101
Make
Peterbilt
Model
389
Model year
2015
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 7, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XL40X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1985 or 2015

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
256101

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 530 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 530 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
389

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 28, 2023 – Jun 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 27, 2025PAII · Walk-around1J LITTLE TRANSPORT LLC 4230958ZZB9882/PA
Jan 24, 2024PAIII · Driver-only0JASON A MONREAN 3096134ZTL1667/PA
Oct 19, 2023PAII · Walk-around2JASON A MONREAN 3096134ZTL1667/PA
Jun 28, 2023PAIII · Driver-only0JASON A MONREAN 3096134ZTL1667/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J LITTLE TRANSPORT LLC4230958Jun 27, 2025Jun 27, 20251PA
JASON A MONREAN3096134Jun 28, 2023Jan 24, 20243PA
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
ZZB9882PAJ LITTLE TRANSPORT LLCJun 27, 2025Jun 27, 20251
ZTL1667PAJASON A MONREANJun 28, 2023Jan 24, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026